px4-firmware/misc/pascal/include/paslib.h

91 lines
3.3 KiB
C

/***************************************************************************
* include/paslib.h
* External Declarations associated with paslib
*
* Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
***************************************************************************/
#ifndef __PASLIB_H
#define __PASLIB_H
/***************************************************************************
* Included Files
***************************************************************************/
#include "keywords.h"
#include "stdint.h"
#include "stdbool.h"
#include "pdefs.h"
#include "pofflib.h"
/***************************************************************************
* Global Function Prototypes
***************************************************************************/
/* POFF file is always big-endian */
#ifdef CONFIG_ENDIAN_BIG
# undef CONFIG_POFF_SWAPNEEDED
# define poff16(val) (val)
# define poff32(val) (val)
#else
# define CONFIG_POFF_SWAPNEEDED 1
# define poff16(val) poffSwap16(val)
# define poff32(val) poffSwap32(val)
#endif
/***************************************************************************
* Global Function Prototypes
***************************************************************************/
/* File name extension helper */
extern bool extension(const char *inName, const char *ext, char *outName,
bool force_default);
/* Math helpers */
extern int32_t signExtend16(uint16_t arg16);
extern int32_t signExtend25(uint32_t arg25);
/* Endian-ness helpers */
extern uint16_t poffSwap16(uint16_t val);
extern uint32_t poffSwap32(uint32_t val);
/***************************************************************************
* Global Variables
***************************************************************************/
#endif /* __PASLIB_H */